Potentiated hypoglycaemic effects of insulin, metformin & sulphonylurea drugs. Delayed digestion & absorption of disaccharides (eg, sucrose). Abdominal discomfort or diarrhoea w/ sucrose & foods containing sucrose. Reduced effect w/ intestinal adsorbents (eg, charcoal) & digestive enzyme prep containing carbohydrate splitting enzymes (eg, amylase, pancreatin). Enhanced postprandial blood glucose reduction & increased frequency & severity of GI side effects w/ neomycin. Enhanced postprandial insulin level reduction w/ cholestyramine. May affect digoxin bioavailability.